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Question Detail

Atomic number is equal to

  • Number of electrons
  • Number of nutron
  • Number of protons
  • Total number of protons and neutrons

Answer: Option C

Similar Questions :

1. What is used to avoid melting of ice ?

  • Gelatine
  • Butane
  • Methane
  • Any acid

Answer: Option A

2. The substance that contains the maximum amount of nitrogen is ?

  • Ammonium Sulphate
  • Urea
  • Ammonium Nitrate
  • Ammonium Chloride

Answer: Option B

3. What is the hardest form of carbon ?

  • coke
  • graphite
  • charcoal
  • diamond

Answer: Option D

4. The oxide of Nitrogen used in medicine as anaesthetic is ?

  • Nitrogen pentoxide
  • Nitrous oxide
  • Nitric oxide
  • Nitrogen dioxide

Answer: Option A

5. The most abundant element in the earth's crust is ?

  • Aluminium
  • Nitrogen
  • Silicon
  • Oxygen

Answer: Option D

Read more from - Chemistry Questions Answers
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